Originally Posted by Just Dave
I'm thinking a 4.2 out of a truck. You should be able to get one cheap and the last models have all of the headgasket issues worked out. Guys are going 11's with them in Turbo Mustangs. Looks like it will fit much better.
Or maybe a VQ35. Its a big motor, but its aluminum.
only thing is that the VQ35 isn't cheap like a 5.0. would be a bad ride though with a trubo, or 2!